| Value | Category | Cases | |
|---|---|---|---|
| 1 | Sí | 98 | 
                                    
                                    1.5%
                                 | 
| 2 | No | 6521 | 
                                    
                                    98.5%
                                 | 
| 9 | Ignorado | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 18946 |